Vulnerability CVE-2009-0949
Published: 2009-06-09   Modified: 2012-02-13

Description:
The ippReadIO function in cups/ipp.c in cupsd in CUPS before 1.3.10 does not properly initialize memory for IPP request packets, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a scheduler request with two consecutive IPP_TAG_UNSUPPORTED tags.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Apple CUPS IPP_TAG_UNSUPPORTED Handling null pointer Vulnerability
CORE Security Te...
04.06.2009

Type:

CWE-399

 (Resource Management Errors)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Apple -> CUPS 

 References:
http://lists.apple.com/archives/security-announce/2009/Sep/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
http://securitytracker.com/id?1022321
http://support.apple.com/kb/HT3865
http://www.coresecurity.com/content/AppleCUPS-null-pointer-vulnerability
http://www.debian.org/security/2009/dsa-1811
http://www.redhat.com/support/errata/RHSA-2009-1082.html
http://www.redhat.com/support/errata/RHSA-2009-1083.html
http://www.securityfocus.com/archive/1/504032/100/0/threaded
http://www.securityfocus.com/bid/35169
http://www.ubuntu.com/usn/USN-780-1
https://bugzilla.redhat.com/show_bug.cgi?id=500972
https://exchange.xforce.ibmcloud.com/vulnerabilities/50926
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9631
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